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Grinding Welds


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#1 malebassplayer

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Posted 05 December 2010 - 10:02 PM

hey,
I was just wondering the legalities of grinding down the welds on my floor pans. I have welded them in but would rather have a neat looking flat floor. will this pass an MOT?
Cheers in advance
Nathan

#2 panelbeaterpeter

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Posted 05 December 2010 - 10:07 PM

Yes, so long as it's an invisible repair, stupidly some places get funny if they can't see the welds.. but that's only if they know it's been done. I know of a place failing a car for a welding job that had been welded properly, then filled and painted, simply because he couldn't see the welds. Oh and don't go too crazy with the grinding, you still want to retain strength in the weld.

Edited by panelbeaterpeter, 05 December 2010 - 10:08 PM.


#3 Carlos W

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Posted 05 December 2010 - 10:09 PM

I hope not, mine will all be seam welded then seam sealed, then sound deadening on the inside and undersealed on the outside!

#4 Tupers

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Posted 05 December 2010 - 10:18 PM

You should be fine but just for the sake of strength it's always a good idea to weld both sides of the joint where you can. That way when you do take the weld down on the outside you still have a full weld on the inside of the car.

#5 malebassplayer

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Posted 05 December 2010 - 10:39 PM

cheers for the speedy advice :)
Just didnt want to do it and then have it fail after it is all painted!
Yeh i was planning on welding both sides anyway. Have done it all on the inside so far and going to roll the car and do the underside when i am prepping for paint.

#6 1984mini25

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Posted 05 December 2010 - 10:53 PM

Also you can get some flappy sanding disks to fit an angle grinder, witch are quicker and not as aggressive at sanding down welds.

#7 malebassplayer

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Posted 05 December 2010 - 11:54 PM

Also you can get some flappy sanding disks to fit an angle grinder, witch are quicker and not as aggressive at sanding down welds.

i have some of them already and I didn't even think of using them cheers.




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